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===========================================================================
             AUSCERT External Security Bulletin Redistribution

       ESB-2001.142 -- HP Support Information Digests HPSBUX0103-145
                  Sec. Vulnerability in asecure (Rev.02)
                               10 April 2001

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:                asecure
Vendor:                 Hewlett-Packard
Operating System:       HP-UX 10.01
                        HP-UX 10.10
                        HP-UX 10.20
                        HP-UX 11.00
Platform:               HP9000 Series 700
                        HP9000 Series 800
Impact:                 Denial of Service

Ref:                    ESB-2001.108

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Document ID:  HPSBUX0103-145
Date Loaded:  20010404
      Title:  Sec. Vulnerability in asecure (Rev.02)

- -------------------------------------------------------------------------
**REVISED 02** HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0145, 07 Mar. '01
Last Revised: 04 April 2001
- -------------------------------------------------------------------------

The information in the following Security Bulletin should be acted upon
as soon as possible.  Hewlett-Packard Company will not be liable for any
consequences to any customer resulting from customer's failure to fully
implement instructions in this Security Bulletin as soon as possible.

- -------------------------------------------------------------------------
PROBLEM:  Certain files used by the asecure program have unsafe
          permissions.

PLATFORM: HP9000 Series 700/800 running HP-UX releases 10.01, 10.10,
          10.20 and 11.00 only.

DAMAGE:   Possible denial of service

SOLUTION: Install the appropriate patch for the HP-UX release
**REVISED 02**
          | and make permisssions changes detailed below.

          | 10.01, 10.10,10.20              PHSS_21662
          | 11.00                           PHSS_21663

AVAILABILITY:  The patches are available now.

CHANGE SUMMARY:  PHSS_22935 and PHSS_22936 have been withdrawn.
- -------------------------------------------------------------------------
I.
   A. Background
      Certain files used by the asecure program have unsafe permissions.

   B. Recommended solution
**REVISED 02**
      Obtain the necessary patch from itrc.hp.com, as described below.
      | For HP-UX releases 10.01, 10.10,10.20: PHSS_21662
      |                             and 11.00: PHSS_21663

      NOTE: No patch is needed for HP-UX 11.11.

**REVISED 02**
    | Note: The Envizex II and possibly other HP X-terminals will
    |       not work correctly with PHSS_22935 and PHSS_22936.
    |       These patches have been withdrawn.  Until new pathces
    |       available customers should use PHSS_21662 or PHSS_21663
    |       and make the following permissions changes which were done
    |       in PHSS_22935 and PHSS_22936 for security:
    |
    |          /usr/bin/chmod 444 /var/opt/audio/asecure_log
    |          /usr/bin/chmod 444 /var/opt/audio/audio_error_log


   C. To subscribe to automatically receive future NEW HP Security
      Bulletins from the HP IT Resource Center via electronic mail,
      do the following:

      Use your browser to get to the HP IT Resource Center page
      at:

       http://itrc.hp.com

      Under the Maintenance and Support Menu (Electronic Support
      Center):  click on the "more..." link.  Then -

      Use the 'Login' tab at the left side of the screen to login
      using your ID and password.  Check with your system
      administrator to see if you have an existing login or use
      the "Register" button at the left to create a login.  You
      will need to login in order to gain access to many areas of
      the ITRC. Remember to save the User ID assigned to you, and
      your password.

      Under the Maintenance and Support Menu, click on the "more..."
      link.  Under the "Notifications" section (near the bottom of
      the page), select "Support Information Digests".

      To -subscribe- to future HP Security Bulletins or other
      Technical Digests, click the check box (in the left column)
      for the appropriate digest and then click the "Update
      Subscriptions" button at the bottom of the page.

      or

      To -review- bulletins already released, select the link
      (in the middle column) for the appropriate digest.

      To -gain access- to the Security Patch Matrix, select
      the link for "hp security bulletins archive" near the bottom.
      Once in the archive the top link is to our current Security
      Patch Matrix.  Updated daily, this matrix categorizes security
      patches by platform/OS release, and by bulletin topic.

      The security patch matrix is also available via anonymous ftp:

      ftp.itrc.hp.com
      ~ftp/export/patches/hp-ux_patch_matrix"

      On the "Support Information Digest Main" page:
      click on the "HP Security Bulletin Archive".

   D. To report new security vulnerabilities, send email to

      security-alert@hp.com

      Please encrypt any exploit information using the security-alert
      PGP key, available from your local key server, or by sending a
      message with a -subject- (not body) of 'get key' (no quotes) to
      security-alert@hp.com.

      Permission is granted for copying and circulating this Bulletin
      to Hewlett-Packard (HP) customers (or the Internet community)
      for the purpose of alerting them to problems, if and only if,
      the Bulletin is not edited or changed in any way, is attributed
      to HP, and provided such reproduction and/or distribution is
      performed for non-commercial purposes.

      Any other use of this information is prohibited. HP is not
      liable for any misuse of this information by any third party.
________________________________________________________________________
- -----End of Document ID:  HPSBUX0103-145--------------------------------------

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This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content.  The decision to use any or all of this information is
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NOTE: This is only the original release of the security bulletin.  It may
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from the original authors to ensure that the information is still current.

Contact information for the authors of the original document is included
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information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

	http://www.auscert.org.au/Information/advisories.html

If you believe that your system has been compromised, contact AusCERT or
your representative in FIRST (Forum of Incident Response and Security
Teams).

Internet Email: auscert@auscert.org.au
Facsimile:	(07) 3365 7031
Telephone:	(07) 3365 4417 (International: +61 7 3365 4417)
		AusCERT personnel answer during Queensland business hours
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		On call after hours for emergencies.

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